The invention relates to a method for processing and seasoning prawn products by fully utilizing prawns, belonging to the technical field of food science and aquatic product processing. In the method, fresh prawns are taken as raw materials, peeled prawns conditioning food is made of peeled prawns through bacteria reduction processing, deep fry, fresh-keeping liquid immersing, vacuum packing and irradiation, prawn conditioning sauce is made of leftovers obtained from the processing of the prawns through squeezing, histiocyte cataclase, enzymolysis control, solid-liquid separation, Maillard reaction, charge mixture and concentration, and the peeled prawns conditioning food and the prawn conditioning sauce are independently packaged into a flexible package so as to obtain convenient and delicious conditioning food by fully utilizing the prawns. The invention has the advantages that the utility ratio of the prawns taken as the raw materials is high, the fishy smell and the earthy taste of the prawns are eliminated, products are safe and delicious, the storage time can reach more than three months, and the invention is convenient for transportation and storage and has high economic added value, thereby being suitable for family travel, catering industry, and the like and having deep market potential.